Tutorials Intermediate
Nano Banana 2: Migrate Gemini Image Code by June 25
Gemini's image preview models die June 25. Swap to the Nano Banana 2 GA IDs with verified Python.
9 min read·Kodetra Technologies
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How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Tutorials Intermediate
GLM-5.2 Open Weights: Route Reasoning Effort by Task
Build a cost-aware GLM-5.2 agent that routes thinking effort per task and calls tools.
9 min read·Kodetra Technologies
Today
Tutorials Intermediate
Mercury 2 dLLM: Reasoning at 1000 Tokens Per Second
Build real-time agents on the first reasoning diffusion LLM: OpenAI-compatible, 1000 tok/s.
8 min read·Kodetra Technologies
Today
Tutorials Intermediate
Gemini Embedding 2: Multimodal RAG Over Your Images
Index and search images and text together with Gemini Embedding 2 File Search, no OCR.
9 min read·Kodetra Technologies
2d ago
Tutorials Intermediate
Claude Opus 4.8 Fast Mode: 2.5x Faster Output in Python
Use speed:"fast" on Claude Opus 4.8 for up to 2.5x faster output, with a safe rate-limit fallback.
9 min read·Kodetra Technologies
9d ago
Tutorials Intermediate
Build a Realtime Voice Assistant With gpt-realtime-2
Stream audio in and out, add tools, approvals, and handoffs with gpt-realtime-2 in Python.
10 min read·Kodetra Technologies
11d agoMore guides like this?
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Tutorials Intermediate
MAI-Code-1-Flash in Python: 5B Coder Beats Haiku 4.5
Call Microsoft's June 2 coding model via OpenRouter for cheap, fast refactors.
10 min read·Kodetra Technologies
16d ago
Frontend Intermediate
React 19.2 Activity API: Hide Components Without State Loss
Use <Activity> in React 19.2 to hide UI while preserving state, DOM, and scroll position.
8 min read·Kodetra Technologies
May 15
Tutorials Intermediate
LangGraph DeltaChannel: Shrink Long-Thread Checkpoints
Cut LangGraph checkpoint storage 41x with DeltaChannel - new in 1.2.
4 min read·Kodetra Technologies
May 15
Frontend Intermediate
React 19.2 useEffectEvent: Kill Stale Closures in Effects
Master useEffectEvent in React 19.2 to separate non-reactive logic from your Effects.
8 min read·Kodetra Technologies
May 1
Tutorials Beginner
Cursor 2.0 Parallel Agents: Ship Features 8x Faster
Run up to 8 AI agents in parallel in Cursor 2.0 to finish features in a fraction of the time.
4 min read·Kodetra Technologies
Apr 23